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US ZIP Code Profile

ZIP Code 77523
Baytown, Texas

ZIP code 77523 is in Baytown, located in Chambers County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 27,638. The estimated median adjusted gross income per tax return is $75,740, and about 12% of filers report $200,000 or more.

2020 Population
27,638
Census ZCTA
County
Chambers
FIPS 48071
Median income (est.)
$75,740
IRS SOI 2022
Land Area
90 mi²
+ 10.547 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityBaytown, TX
CountyChambers County (FIPS 48071)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.789522, -94.85912
Land / Water Area90 mi² land · 10.547 mi² water

02Income & Economics

Distribution of the 14,050 individual tax returns filed in 77523 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
21.2%
$25K–$50K
15.7%
$50K–$75K
12.8%
$75K–$100K
10.8%
$100K–$200K
27.7%
$200K+
11.8%
The $200,000+ bracket accounts for 39% of 77523's total adjusted gross income, from 12% of returns — a concentration that drives the gap between the median ($75,740) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 77523's IRS income metrics, 2020–2022.

Median income (2021→2022)
$75,740
▲ 5.1%
Filers earning $200K+
11.8%
▲ 1.7 pt
Total filers
14,050
▲ 6.4%
GET /zipc/v2/zipcodes/77523/soi?year=… $69K 2020 $72K 2021 $76K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 77523 ZCTA.

2010
17,031
 
2020
27,638
▲ +62.3%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number480600
City AliasesBaytown, Beach City, Cove, Mont Belvieu, Old River Winfree, Old Rvr Wnfre

06Frequently Asked Questions

What county is ZIP code 77523 in?

ZIP code 77523 is in Chambers County, Texas (county FIPS code 48071).

What city is ZIP code 77523?

The primary USPS city for 77523 is Baytown, TX.

What metro area (MSA) is 77523 in?

77523 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77523?

The 2020 Census population of 77523 was 27,638 residents.

What is the median income in ZIP code 77523?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77523 is about $75,740, with around 12% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.